How-to
How to Season a Cast Iron Griddle
How to season a cast iron griddle: clean, dry, oil thinly, bake upside down, repeat, plus fixes for sticky or rusty surfaces.
A cast iron griddle stays slick because of a thin layer of oil that has been baked until it hardens, not because of the metal itself. That layer is built in passes, and the most common mistake is using too much oil on each one. Factory pre-seasoning gives a head start, but a griddle that will see regular use does better with a few layers of its own.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases.
What seasoning is and which oil to use
Seasoning is not a coating that gets painted on. When a very thin film of oil is heated past its smoke point, it polymerizes and bonds to the iron, leaving a hard, slick surface that also keeps rust off. Heat does the work; the oil is only the raw material.
Choose an oil that tolerates high heat without burning off, such as canola, grapeseed or vegetable oil, or vegetable shortening. Olive oil has a lower smoke point and is a poorer choice for this job. Pre-seasoned pieces, like the Lodge Reversible Cast Iron Grill/Griddle Pan, arrive with a base layer, but that layer is usually thin and gains from a few more of your own. The griddle pan comparison covers pre-seasoned cast iron alongside coated pans that never need this treatment.
Six steps to a first seasoning layer
The aim at every stage is a film so thin it is barely there. Pooled oil does not cure properly and leaves a tacky finish, which is why the wiping step matters as much as the oiling. If the maker gives different temperatures or times for a specific griddle, follow those.
- Wash the griddle with warm, soapy water and a sponge, even if it is new, to remove factory oil and dust. Rinse well.
- Dry it completely with a towel, then set it on a burner over medium heat for 5 to 10 minutes to drive off remaining moisture.
- Rub a very small amount of high smoke point oil over every surface, including the underside and handle.
- Wipe it all off with a clean, dry cloth until the surface looks almost dry.
- Place the griddle upside down in a cold oven, set it between 450°F and 500°F, and bake for one hour.
- Turn the oven off and let the griddle cool inside. Repeat two or three times for a griddle that will be used heavily.
Should you use the oven or the stovetop?
The oven suits a new piece or a full reseasoning because it heats the cooking surface, sides, underside and handle evenly in one go. The stovetop is the quicker option for maintenance: after cooking, if a patch looks dry, wipe on a thin layer of oil, heat the griddle until it just starts to smoke, and let it cool.
Stovetop seasoning heats the metal less evenly, so treat it as a touch-up method rather than a replacement for the oven. A large reversible plate can also be seasoned on an outdoor grill with all burners on high for 45 minutes to an hour, then left to cool with the lid closed, as long as the plate is clean, dry and thinly oiled first.
How do you fix common seasoning problems?
Most trouble traces back to oil that was applied too thickly or to a surface that was not clean and dry. Match the symptom to the repair before reaching for the oil bottle.
- Sticky or gummy surface: the layer was too thick to cure; bake it at 450°F for about 15 minutes and wipe it down with a paper towel while hot, using oven mitts.
- Small rust spots: scrub with steel wool or a brush, dry immediately on the stove, then oil the bare spot.
- Heavy rust: new seasoning cannot bond to it, so remove it down to bare gray metal before re-seasoning.
- Flaking or patchy seasoning: often caused by burnt-on carbon underneath or by plunging a hot griddle into cold water; strip the loose layers and season again in full.
- Warped surface: seasoning will not flatten a griddle that rocks on the counter.
Keeping the seasoning in good shape
The goal of cleaning is to remove food, not the baked-on oil. Scrape up stuck bits with a spatula while the griddle is still warm, scrub with a stiff brush and hot water (coarse salt helps on stubborn spots), then dry it fully, ideally for a couple of minutes on a low burner. Mild dish soap is fine on a well-seasoned piece; avoid abrasive pads and harsh scouring, and follow the maker's care instructions where they differ.
While it is still slightly warm, buff on an almost invisible drop of oil and wipe off every trace of the excess. A griddle kept this way rarely needs a full oven re-seasoning, only a stovetop touch-up after acidic foods or when a patch turns dull. For ideas once the surface is ready, see the cooking applications for griddle pans.
Frequently asked
How often should I season a cast iron griddle?
There is no fixed schedule. Season fully when the griddle is new, rusty or sticky, and touch it up on the stovetop whenever food starts to stick or the surface looks dull. With the thin wipe-down after each use, full oven sessions become rare.
How do I know when a cast iron griddle is properly seasoned?
The surface turns dark and matte, feels smooth to the touch, and food releases without sticking. It should also heat evenly. A tacky or patchy feel means the layer needs another thin coat or a fix for excess oil.